<?php

class NewsController extends Controller {

    /**
     * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
     * using two-column layout. See 'protected/views/layouts/column2.php'.
     */
    public $layout = '//layouts/column2';

    /**
     * @return array action filters
     */
    public function filters() {
        return array(
            'accessControl', // perform access control for CRUD operations
           	//'postOnly + delete', // we only allow deletion via POST request
        );
    }

    /**
     * Specifies the access control rules.
     * This method is used by the 'accessControl' filter.
     * @return array access control rules
     */
    public function accessRules() {
        return array(
            array('allow', // allow all users to perform 'index' and 'view' actions
                'actions' => array('index', 'view'),
                'users' => array('*'),
            ),
            array('allow', // allow authenticated user to perform 'create' and 'update' actions
                'actions' => array('create', 'update'),
                'users' => array('@'),
            ),
            array('allow', // allow admin user to perform 'admin' and 'delete' actions
                'actions' => array('admin', 'delete'),
                'users' => array('admin'),
            ),
            array('deny', // deny all users
                'users' => array('*'),
            ),
        );
    }

    /**
     * Displays a particular model.
     * @param integer $id the ID of the model to be displayed
     */
    public function actionView($id) {
        $this->render('view', array(
            'model' => $this->loadModel($id),
        ));
    }

    /**
     * Creates a new model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     */
	public function actionCreate()
	{
		$model=new News;
		$images = array();
		
		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['News']))
		{
			$model->attributes=$_POST['News'];
			if($model->save()) {
				
				$images = CUploadedFile::getInstancesByName('images');
				
				if (isset($images) && count($images) > 0) {
					
					// the default implementation makes it under 777 permission, 
					// which you could possibly change recursively before deployment, 
					// but here's less of a headache in case you don't
	                if (!is_dir(Yii::getPathOfAlias('webroot') . '/uploads/news/'.$model->id)) {
	                    mkdir(Yii::getPathOfAlias('webroot') . '/uploads/news/'.$model->id);
						
	                }
	
					// go through each uploaded image
	                foreach ($images as $image) {
	
	                    if ($image->saveAs(Common::strToLower(Yii::getPathOfAlias('webroot').'/uploads/news/'.$model->id.'/'.$image->name))) {
	
							// add it to the main model now
	                        $img = new Image;
	                        
	                        // it might be $img->name for you, filename is just what I chose to call it in my model
	                        $img->name = $image->name;
	                        // this links your picture model to the main model (like your user, or profile model)
	                        $img->news_id = $model->id; 
	                        $img->path = Common::strToLower('/uploads/news/'.$model->id.'/'.$image->name);
	                        $img->mimetype = $image->type;
	                        
	                        // save image
	                        $img->save(); 
	                    } else {
	                        echo 'write your own';
	                    }
	                }
	
	            }
	            
	            $this->redirect(array('view', 'id' => $model->id));
			}
			
		}

		$this->render('create',array(
			'model'=>$model,
			'photos'=>$images,
		));
	}
    
    /**
     * Updates a particular model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id the ID of the model to be updated
     */
	public function actionUpdate($id)
	{
		$images = $photos = $oldImages = array();
		$model = $this->loadModel($id);
		
		$model = $model->with('image')->findByPk($id);
		
		if ($model->hasRelated('image')) {
			$photos = $model->getRelated('image');
		}
			
		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['News']))
		{
			
			$model->attributes=$_POST['News'];
			
			if (isset($_POST['oldimages'])){
				foreach ($_POST['oldimages'] as $val)
					$oldImages[] = $val;
			}			
			
			if (isset($_FILES['images'])){
				$images = $_FILES['images'];
			}
			
			if($model->save()) {
				
				// the default implementation makes it under 777 permission, 
				// which you could possibly change recursively before deployment, 
				// but here's less of a headache in case you don't
                if (!is_dir(Yii::getPathOfAlias('webroot') . '/uploads/news/'.$model->id)) {
                    mkdir(Yii::getPathOfAlias('webroot') . '/uploads/news/'.$model->id);
					
                }

                $uploadDir = Yii::getPathOfAlias('webroot').'/uploads/news/'.$model->id.'/';
                
				foreach ($images['name'] as $index => $value) {
	                	
                	$uploadFile = Common::strToLower($uploadDir.basename($images['name'][$index]));
                	
                	if (!in_array($index, $oldImages)) {//insert new
                		
                		if (move_uploaded_file($images['tmp_name'][$index], $uploadFile)) {
		
							// add it to the main model now
	                        $img = new Image;
	                        
	                        // it might be $img->name for you, filename is just what I chose to call it in my model
	                        $img->name = $images['name'][$index];
	                        // this links your picture model to the main model (like your user, or profile model)
	                        $img->news_id = $model->id; 
	                        $img->path = Common::strToLower('/uploads/news/'.$model->id.'/'.$images['name'][$index]);
	                        $img->mimetype = $images['type'][$index];
	                        
	                        $img->save();
	                        
	                    }
                	}
                	
                	else {//update
                		if (move_uploaded_file($images['tmp_name'][$index], $uploadFile)) {
		
							// add it to the main model now
	                        $img = new Image;
	                        
		                    if (isset($_POST['images'.$index])) {
	                            $image_id = $_POST['images'.$index];
	                            $img = Image::model()->findByPk($image_id);
	                            
		                        // it might be $img->name for you, filename is just what I chose to call it in my model
		                        $img->name = $images['name'][$index];
		                        // this links your picture model to the main model (like your user, or profile model)
		                        $img->news_id = $model->id; 
		                        $img->path = Common::strToLower('/uploads/news/'.$model->id.'/'.$images['name'][$index]);
		                        $img->mimetype = $images['type'][$index];
		                        
		                        $img->update(array('name', 'path', 'mimetype', 'news_id'));
	                        }

	                    }
                	}
				
                }

                $this->redirect(array('view', 'id' => $model->id));
			}
			
		}

		$this->render('update',array(
			'model'=>$model,
			'photos'=>$photos,
		));
	}
	
    /**
     * Deletes a particular model.
     * If deletion is successful, the browser will be redirected to the 'admin' page.
     * @param integer $id the ID of the model to be deleted
     */
    public function actionDelete($id) {
        $this->loadModel($id)->delete();

        // if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
        if (!isset($_GET['ajax']))
            $this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
    }

    /**
     * Lists all models.
     */
    public function actionIndex() {


        $dataProvider = new CActiveDataProvider('News');
        $this->render('index', array(
            'dataProvider' => $dataProvider,
        ));
    }

    /**
     * Manages all models.
     */
    public function actionAdmin() {
        $model = new News('search');
        $model->unsetAttributes();  // clear any default values
        if (isset($_GET['News']))
            $model->attributes = $_GET['News'];

        $this->render('admin', array(
            'model' => $model,
        ));
    }

    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     * @param integer $id the ID of the model to be loaded
     * @return News the loaded model
     * @throws CHttpException
     */
    public function loadModel($id) {
        $model = News::model()->findByPk($id);
        if ($model === null)
            throw new CHttpException(404, 'The requested page does not exist.');
        return $model;
    }

    /**
     * Performs the AJAX validation.
     * @param News $model the model to be validated
     */
    protected function performAjaxValidation($model) {
        if (isset($_POST['ajax']) && $_POST['ajax'] === 'news-form') {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }
    }

}
